%电制动特性
function Fb = getMaxFeb(v_kmh)
% Fb = min([52*vkmh -0.227*vkmh+260 33120/vkmh]); %CRH380B
% Fb = min([28*vkmh -0.226316*vkmh+282.3 47400/vkmh]); %CR400
Fb = min([27.2*v_kmh -0.08667*v_kmh+272.9 41400/v_kmh]); %CR400-2